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1 | /********************************************************************** |
2 | * Copyright (c) 2012 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Bernd Hufmann - Initial API and implementation | |
11 | **********************************************************************/ | |
115b4a01 | 12 | package org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl; |
eb1bab5b | 13 | |
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14 | import java.util.List; |
15 | ||
eb1bab5b BH |
16 | import org.eclipse.core.commands.ExecutionException; |
17 | import org.eclipse.core.runtime.IProgressMonitor; | |
18 | import org.eclipse.core.runtime.IStatus; | |
19 | import org.eclipse.core.runtime.Status; | |
20 | import org.eclipse.core.runtime.jobs.Job; | |
9315aeee | 21 | import org.eclipse.linuxtools.internal.lttng2.core.control.model.TargetNodeState; |
115b4a01 | 22 | import org.eclipse.linuxtools.internal.lttng2.ui.Activator; |
9315aeee | 23 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.messages.Messages; |
115b4a01 | 24 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.ITraceControlComponent; |
115b4a01 | 25 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.property.TargetNodePropertySource; |
9315aeee | 26 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.remote.ICommandShell; |
115b4a01 BH |
27 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.remote.IRemoteSystemProxy; |
28 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.remote.RemoteSystemProxy; | |
115b4a01 | 29 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.service.ILttngControlService; |
276c17e7 | 30 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.service.LTTngControlServiceFactory; |
8577ed1e | 31 | import org.eclipse.rse.core.RSECorePlugin; |
eb1bab5b BH |
32 | import org.eclipse.rse.core.model.IHost; |
33 | import org.eclipse.rse.core.model.IRSECallback; | |
8577ed1e | 34 | import org.eclipse.rse.core.model.ISystemRegistry; |
eb1bab5b BH |
35 | import org.eclipse.rse.core.subsystems.CommunicationsEvent; |
36 | import org.eclipse.rse.core.subsystems.ICommunicationsListener; | |
37 | import org.eclipse.swt.graphics.Image; | |
38 | import org.eclipse.ui.views.properties.IPropertySource; | |
39 | ||
40 | /** | |
eb1bab5b BH |
41 | * <p> |
42 | * Implementation of the trace node component. | |
43 | * </p> | |
dbd4432d BH |
44 | * |
45 | * @author Bernd Hufmann | |
eb1bab5b BH |
46 | */ |
47 | public class TargetNodeComponent extends TraceControlComponent implements ICommunicationsListener { | |
48 | ||
49 | // ------------------------------------------------------------------------ | |
50 | // Constants | |
51 | // ------------------------------------------------------------------------ | |
52 | /** | |
53 | * Path to icon file for this component (state connected). | |
54 | */ | |
55 | public static final String TARGET_NODE_CONNECTED_ICON_FILE = "icons/obj16/target_connected.gif"; //$NON-NLS-1$ | |
56 | /** | |
57 | * Path to icon file for this component (state disconnected). | |
58 | */ | |
59 | public static final String TARGET_NODE_DISCONNECTED_ICON_FILE = "icons/obj16/target_disconnected.gif"; //$NON-NLS-1$ | |
60 | ||
61 | // ------------------------------------------------------------------------ | |
62 | // Attributes | |
63 | // ------------------------------------------------------------------------ | |
64 | /** | |
65 | * The node connection state. | |
66 | */ | |
67 | private TargetNodeState fState = TargetNodeState.DISCONNECTED; | |
68 | /** | |
69 | * The image to be displayed in state disconnected. | |
70 | */ | |
71 | private Image fDisconnectedImage = null; | |
72 | /** | |
73 | * The connection implementation. | |
74 | */ | |
75 | private IHost fHost = null; | |
76 | /** | |
77 | * The remote proxy implementation. | |
78 | */ | |
79 | private IRemoteSystemProxy fRemoteProxy = null; | |
80 | /** | |
81 | * The control service for LTTng specific commands. | |
82 | */ | |
83 | private ILttngControlService fService = null; | |
84 | /** | |
85 | * The command shell for issuing commands. | |
86 | */ | |
87 | private ICommandShell fShell = null; | |
88 | ||
89 | // ------------------------------------------------------------------------ | |
90 | // Constructors | |
91 | // ------------------------------------------------------------------------ | |
92 | /** | |
93 | * Constructor | |
94 | * @param name - the name of the component | |
95 | * @param parent - the parent of the component | |
96 | * @param host - the host connection implementation | |
97 | * @param proxy - the remote proxy implementation | |
98 | */ | |
99 | public TargetNodeComponent(String name, ITraceControlComponent parent, IHost host, IRemoteSystemProxy proxy) { | |
100 | super(name, parent); | |
101 | setImage(TARGET_NODE_CONNECTED_ICON_FILE); | |
31a6a4e4 | 102 | fDisconnectedImage = Activator.getDefault().loadIcon(TARGET_NODE_DISCONNECTED_ICON_FILE); |
eb1bab5b BH |
103 | fHost = host; |
104 | fRemoteProxy = proxy; | |
105 | setToolTip(fHost.getHostName()); | |
106 | } | |
107 | ||
108 | /** | |
109 | * Constructor (using default proxy) | |
110 | * @param name - the name of the component | |
111 | * @param parent - the parent of the component | |
112 | * @param host - the host connection implementation | |
113 | */ | |
114 | public TargetNodeComponent(String name, ITraceControlComponent parent, IHost host) { | |
115 | this(name, parent, host, new RemoteSystemProxy(host)); | |
116 | } | |
117 | ||
118 | // ------------------------------------------------------------------------ | |
119 | // Accessors | |
120 | // ------------------------------------------------------------------------ | |
121 | /* | |
122 | * (non-Javadoc) | |
115b4a01 | 123 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#getImage() |
eb1bab5b BH |
124 | */ |
125 | @Override | |
126 | public Image getImage() { | |
127 | if (fState == TargetNodeState.CONNECTED) { | |
128 | return super.getImage(); | |
129 | } | |
130 | return fDisconnectedImage; | |
131 | } | |
132 | ||
133 | /* | |
134 | * (non-Javadoc) | |
115b4a01 | 135 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#getTargetNodeState() |
eb1bab5b BH |
136 | */ |
137 | @Override | |
138 | public TargetNodeState getTargetNodeState() { | |
139 | return fState; | |
140 | } | |
141 | ||
142 | /* | |
143 | * (non-Javadoc) | |
115b4a01 | 144 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#setTargetNodeState(org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.ITraceControlComponent.TargetNodeState) |
eb1bab5b BH |
145 | */ |
146 | @Override | |
147 | public void setTargetNodeState(TargetNodeState state) { | |
148 | fState = state; | |
4775bcbf | 149 | fireComponentChanged(TargetNodeComponent.this); |
eb1bab5b BH |
150 | } |
151 | ||
152 | /* | |
153 | * (non-Javadoc) | |
115b4a01 | 154 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#getControlService() |
eb1bab5b BH |
155 | */ |
156 | @Override | |
157 | public ILttngControlService getControlService() { | |
158 | return fService; | |
159 | } | |
160 | ||
161 | /* | |
162 | * (non-Javadoc) | |
115b4a01 | 163 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#setControlService(org.eclipse.linuxtools.internal.lttng2.ui.views.control.service.ILttngControlService) |
eb1bab5b BH |
164 | */ |
165 | @Override | |
166 | public void setControlService(ILttngControlService service) { | |
167 | fService = (ILttngControlService)service; | |
168 | } | |
169 | ||
170 | /* | |
171 | * (non-Javadoc) | |
115b4a01 | 172 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceControlComponent#getAdapter(java.lang.Class) |
eb1bab5b BH |
173 | */ |
174 | @SuppressWarnings("rawtypes") | |
175 | @Override | |
176 | public Object getAdapter(Class adapter) { | |
177 | if (adapter == IPropertySource.class) { | |
178 | return new TargetNodePropertySource(this); | |
179 | } | |
180 | return null; | |
181 | } | |
182 | ||
bbb3538a BH |
183 | /** |
184 | * @return remote host name | |
185 | */ | |
eb1bab5b BH |
186 | public String getHostName() { |
187 | return fHost.getHostName(); | |
188 | } | |
189 | ||
bbb3538a BH |
190 | /** |
191 | * @return remote system proxy implementation | |
192 | */ | |
193 | public IRemoteSystemProxy getRemoteSystemProxy() { | |
194 | return fRemoteProxy; | |
195 | } | |
196 | ||
6503ae0f BH |
197 | /** |
198 | * @return all available sessions. | |
199 | */ | |
200 | public TraceSessionComponent[] getSessions() { | |
201 | List<ITraceControlComponent> compenents = getChildren(TraceSessionGroup.class); | |
202 | if (compenents.size() > 0) { | |
203 | TraceSessionGroup group = (TraceSessionGroup)compenents.get(0); | |
204 | List<ITraceControlComponent> sessions = group.getChildren(TraceSessionComponent.class); | |
205 | return (TraceSessionComponent[])sessions.toArray(new TraceSessionComponent[sessions.size()]); | |
206 | } | |
207 | return new TraceSessionComponent[0]; | |
208 | } | |
209 | ||
eb1bab5b BH |
210 | // ------------------------------------------------------------------------ |
211 | // Operations | |
212 | // ------------------------------------------------------------------------ | |
213 | ||
214 | /* | |
215 | * @see org.eclipse.rse.core.subsystems.ICommunicationsListener#communicationsStateChange(org.eclipse.rse.core.subsystems.CommunicationsEvent) | |
216 | */ | |
217 | @Override | |
218 | public void communicationsStateChange(CommunicationsEvent e) { | |
219 | if (e.getState() == CommunicationsEvent.AFTER_DISCONNECT || | |
220 | e.getState() == CommunicationsEvent.CONNECTION_ERROR) { | |
221 | handleDisconnected(); | |
222 | } if ((e.getState() == CommunicationsEvent.AFTER_CONNECT) && (fState != TargetNodeState.CONNECTING)) { | |
223 | handleConnected(); | |
224 | } | |
225 | } | |
226 | ||
227 | /* (non-Javadoc) | |
228 | * @see org.eclipse.rse.core.subsystems.ICommunicationsListener#isPassiveCommunicationsListener() | |
229 | */ | |
230 | @Override | |
231 | public boolean isPassiveCommunicationsListener() { | |
232 | return true; | |
233 | } | |
234 | ||
235 | /* | |
236 | * (non-Javadoc) | |
115b4a01 | 237 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.TraceControlComponent#dispose() |
eb1bab5b BH |
238 | */ |
239 | @Override | |
240 | public void dispose() { | |
241 | fRemoteProxy.removeCommunicationListener(this); | |
242 | } | |
243 | ||
244 | /** | |
245 | * Method to connect this node component to the remote target node. | |
246 | */ | |
247 | public void connect() { | |
248 | if (fState == TargetNodeState.DISCONNECTED) { | |
249 | try { | |
250 | setTargetNodeState(TargetNodeState.CONNECTING); | |
251 | fRemoteProxy.connect(new IRSECallback() { | |
252 | @Override | |
253 | public void done(IStatus status, Object result) { | |
254 | // Note: result might be null! | |
255 | if(status.isOK()) { | |
256 | handleConnected(); | |
06b9339e BH |
257 | } else { |
258 | handleDisconnected(); | |
eb1bab5b BH |
259 | } |
260 | } | |
261 | }); | |
262 | } catch (Exception e) { | |
263 | setTargetNodeState(TargetNodeState.DISCONNECTED); | |
9fa32496 | 264 | Activator.getDefault().logError(Messages.TraceControl_ConnectionFailure + " (" + getName() + "). \n", e); //$NON-NLS-1$ //$NON-NLS-2$ |
eb1bab5b BH |
265 | } |
266 | } | |
267 | } | |
268 | ||
269 | /** | |
270 | * Method to disconnect this node component to the remote target node. | |
271 | */ | |
272 | public void disconnect() { | |
273 | if (fState == TargetNodeState.CONNECTED) { | |
274 | try { | |
275 | setTargetNodeState(TargetNodeState.DISCONNECTING); | |
276 | fRemoteProxy.disconnect(); | |
277 | } catch (Exception e) { | |
9fa32496 | 278 | Activator.getDefault().logError(Messages.TraceControl_DisconnectionFailure + " (" + getName() + "). \n", e); //$NON-NLS-1$ //$NON-NLS-2$ |
eb1bab5b BH |
279 | } finally { |
280 | handleDisconnected(); | |
281 | } | |
282 | } | |
283 | } | |
284 | ||
285 | /** | |
286 | * Retrieves the trace configuration from the target node and populates the information | |
287 | * in the tree model. The execution is done in a own job. | |
288 | * | |
289 | * @throws ExecutionException | |
290 | */ | |
d132bcc7 | 291 | public void getConfigurationFromNode() { |
eb1bab5b BH |
292 | Job job = new Job(Messages.TraceControl_RetrieveNodeConfigurationJob) { |
293 | @Override | |
294 | protected IStatus run(IProgressMonitor monitor) { | |
295 | ||
296 | try { | |
297 | // Get provider information from node | |
298 | TraceProviderGroup providerGroup = new TraceProviderGroup(Messages.TraceControl_ProviderDisplayName, TargetNodeComponent.this); | |
299 | addChild(providerGroup); | |
300 | providerGroup.getProviderFromNode(monitor); | |
301 | ||
302 | // Get session information from node | |
303 | TraceSessionGroup sessionGroup = new TraceSessionGroup(Messages.TraceControl_AllSessionsDisplayName, TargetNodeComponent.this); | |
304 | addChild(sessionGroup); | |
305 | sessionGroup.getSessionsFromNode(monitor); | |
306 | } catch (ExecutionException e) { | |
307 | removeAllChildren(); | |
f455db37 | 308 | return new Status(Status.ERROR, Activator.PLUGIN_ID, Messages.TraceControl_ListSessionFailure, e); |
eb1bab5b BH |
309 | } |
310 | ||
311 | return Status.OK_STATUS; | |
312 | } | |
313 | }; | |
314 | job.setUser(true); | |
315 | job.schedule(); | |
d132bcc7 | 316 | } |
eb1bab5b | 317 | |
8577ed1e BH |
318 | /** |
319 | * Refresh the node configuration | |
320 | */ | |
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321 | public void refresh() { |
322 | removeAllChildren(); | |
323 | getConfigurationFromNode(); | |
eb1bab5b | 324 | } |
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325 | |
326 | /** | |
327 | * Deregisters host from registry. | |
328 | */ | |
329 | public void deregister() { | |
330 | ISystemRegistry registry = RSECorePlugin.getTheSystemRegistry(); | |
331 | registry.deleteHost(fHost); | |
332 | } | |
eb1bab5b BH |
333 | |
334 | // ------------------------------------------------------------------------ | |
335 | // Helper function | |
336 | // ------------------------------------------------------------------------ | |
337 | /** | |
338 | * @return returns the control service for LTTng specific commands. | |
339 | * @throws ExecutionException | |
340 | */ | |
341 | private ILttngControlService createControlService() throws ExecutionException { | |
342 | if (fShell == null) { | |
343 | fShell = fRemoteProxy.createCommandShell(); | |
344 | fRemoteProxy.addCommunicationListener(this); | |
345 | } | |
276c17e7 | 346 | fService = LTTngControlServiceFactory.getInstance().getLttngControlService(fShell); |
eb1bab5b BH |
347 | return fService; |
348 | } | |
349 | ||
350 | /** | |
351 | * Handles the connected event. | |
352 | */ | |
353 | private void handleConnected() { | |
354 | setTargetNodeState(TargetNodeState.CONNECTED); | |
355 | try { | |
356 | createControlService(); | |
357 | getConfigurationFromNode(); | |
358 | } catch (ExecutionException e) { | |
9fa32496 | 359 | Activator.getDefault().logError(Messages.TraceControl_ListSessionFailure + " (" + getName() + "). \n", e); //$NON-NLS-1$ //$NON-NLS-2$ |
eb1bab5b BH |
360 | } |
361 | } | |
362 | ||
363 | /** | |
364 | * Handles the disconnected event. | |
365 | */ | |
366 | private void handleDisconnected() { | |
367 | removeAllChildren(); | |
368 | setTargetNodeState(TargetNodeState.DISCONNECTED); | |
369 | fShell = null; | |
370 | fService = null; | |
371 | } | |
372 | } |